def test_namespacewriter_simple():
f = Frame()
f.addfield("Y", 1.)
f.addgroup("A")
f.A.addfield("B", 0.)
def dYdx(f, x, Y):
return -Y
f.Y.differentiator = dYdx
f.addintegrationvariable("x", 0.)
def dx(f):
return 1.
f.x.updater = dx
f.x.snapshots = [1.]
f.integrator = Integrator(f.x)
f.integrator.instructions = [Instruction(schemes.expl_1_euler, f.Y)]
f.writer = writers.namespacewriter()
f.writer.dumping = True
f.run()
Y = f.writer.read.sequence("Y")
assert np.all(Y == [1., 0.])
x = f.writer.read.sequence("x")
assert np.all(x == [0., 1.])
data = f.writer.read.all()
assert np.all(data.Y == [1., 0.])
assert np.all(data.x == [0., 1.])
f.writer.reset()
def test_simple_read_files():
f = Frame()
f.addgroup("A")
f.A.addfield("B", [0., 0.])
f.addfield("Y", 1.)
def dYdx(f, x, Y):
return -Y
f.Y.differentiator = dYdx
f.addintegrationvariable("x", 0.)
def dx(f):
return 1.
f.x.updater = dx
f.x.snapshots = [1.]
f.integrator = Integrator(f.x)
f.integrator.instructions = [Instruction(schemes.expl_1_euler, f.Y)]
f.writer = writers.hdf5writer()
f.run()
x = f.writer.read.sequence("x")
assert np.all(x == [0., 1.])
Y = f.writer.read.sequence("Y")
assert np.all(Y == [1., 0.])
B = f.writer.read.sequence("A.B")
assert np.all(B == [0., 0.])
with pytest.raises(TypeError):
f.writer.read.sequence(1)
data = f.writer.read.all()
assert np.all(data.x == [0., 1.])
assert np.all(data.Y == [1., 0.])
assert np.all(data.A.B == [0., 0.])
data0000 = f.writer.read.output(0)
assert np.all(data0000.x == 0.)
assert np.all(data0000.Y == 1.)
assert np.all(data0000.A.B == 0.)
with pytest.raises(RuntimeError):
f.writer.read.output(2)
shutil.rmtree(f.writer.datadir)
with pytest.raises(RuntimeError):
f.writer.datadir = "temp"
f.writer.read.all()
with pytest.raises(RuntimeError):
f.writer.read.sequence("x")
f.writer.datadir = "data"
def test_group_repr_str():
f = Frame()
assert isinstance(repr(f), str)
assert isinstance(str(f), str)
f.addintegrationvariable("x", 0)
f.addfield("Y", 1.)
f.addfield("abcdefghijklm", 0.)
f.addgroup("A")
f.addgroup("BCDEFGHIJKLMN")
f.C = None
f.abcdef1234567 = None
f.A.addfield("k", 0.)
assert isinstance(repr(f), str)
assert isinstance(str(f), str)
assert isinstance(repr(f.A), str)
assert isinstance(str(f.A), str)
f.integrator = Integrator(f.x)
f.writer = writers.namespacewriter()
assert isinstance(repr(f), str)
assert isinstance(str(f), str)
def test_group_toc():
f = Frame()
f.addgroup("A")
f.addfield("x", 1.)
f.toc
f.toc = None
